89388438 has 16 divisors (see below), whose sum is σ = 184544256. Its totient is φ = 28834920.

The previous prime is 89388401. The next prime is 89388457. The reversal of 89388438 is 83488398.

It is a super-3 number, since 3×89388438³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240106 + ... + 240477.

It is an arithmetic number, because the mean of its divisors is an integer number (11534016).

Almost surely, 2^89388438 is an apocalyptic number.

89388438 is an abundant number, since it is smaller than the sum of its proper divisors (95155818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89388438 is a wasteful number, since it uses less digits than its factorization.

89388438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480619.

The product of its digits is 1327104, while the sum is 51.

The square root of 89388438 is about 9454.5458907343. The cubic root of 89388438 is about 447.1231086926.

The spelling of 89388438 in words is "eighty-nine million, three hundred eighty-eight thousand, four hundred thirty-eight".